<%@ page import="java.util.HashMap" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

    <%
        HashMap<String, Object> map = new HashMap<>();
        map.put("a.a.a","aaaValue");
        map.put("b-b-b","bbbValue");
        map.put("c+c+c","cccValue");

        request.setAttribute("map",map);
    %>

    ${map["a.a.a"]} <br>
    ${map["b-b-b"]} <br>
    ${map["c+c+c"]} <br>

</body>
</html>
